Merge tag '2.29.1' into develop

v2.29.1

Author: vmalloc

backslash/contrib/slash_plugin.py

@@ -75,11 +75,11 @@ def __init__(self, url=None, keepalive_interval=None, runtoken=None, propagate_e
 
     @property
     def rest_url(self):
-        return URL(self._url).add_path('rest')
+        return URL(self._get_backslash_url()).add_path('rest')
 
     @property
     def webapp_url(self):
-        returned = str(self._url)
+        returned = str(self._get_backslash_url())
         if not returned.endswith('/'):
             returned += '/'
         returned += '#/'